WO2017185982A1 - Procédé et dispositif de traitement de type de quasi-colocalisation, et support de stockage informatique - Google Patents

Procédé et dispositif de traitement de type de quasi-colocalisation, et support de stockage informatique Download PDF

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Publication number
WO2017185982A1
WO2017185982A1 PCT/CN2017/080132 CN2017080132W WO2017185982A1 WO 2017185982 A1 WO2017185982 A1 WO 2017185982A1 CN 2017080132 W CN2017080132 W CN 2017080132W WO 2017185982 A1 WO2017185982 A1 WO 2017185982A1
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Prior art keywords
type
quasi
port
location
csi
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PCT/CN2017/080132
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English (en)
Chinese (zh)
Inventor
肖华华
李儒岳
陈艺戬
李剑
李永
吴昊
蔡剑兴
鲁照华
王瑜新
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中兴通讯股份有限公司
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H04L5/0051—Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling

Definitions

  • the present invention relates to the field of communications, and in particular to a method and apparatus for processing a quasi-common location type and a computer storage medium.
  • LTE Long Term Evolution
  • LTE-A Long Term Evolution-Advanced
  • CSI-RS channel state information reference signal
  • DMRS De-Modulation Reference Signal
  • the transmitted and notified CSI-RS pilots are quasi-co-located, both of which transmit approximately the same large-scale characteristics of the channel as the notified CSI-RS pilot, such as delay spread, Doppler Doppler spread, Doppler shift, average delay, the quasi-co-location can be understood as the current data and the DMRS are transmitted at the same base station.
  • the terminal After obtaining a CSI-RS or a cell-specific pilot, which is a cell-specific reference signal (Cell Specific Reference Signal, CRS for short), the terminal can pre-define the pilot information according to the pilot information. Obtaining some statistical characteristic parameters of the channel between the base station and the terminal, the terminal can effectively utilize these statistical characteristic parameters to improve the estimation accuracy of the demodulation pilot, improve the performance of the receiver, effectively suppress the noise, and can perform statistical characteristic parameters. Applied to different estimation algorithms and receiving algorithms.
  • CRS Cell Specific Reference Signal
  • the terminal needs to indicate through the quasi-co-location information to know which DMRS and which CSI-RS or CRS are quasi-co-located.
  • the base station configures four Physical Downlink Shared Channel Resource Element mapping (PDSCH RE mapping) parameters and a parameter set of the quasi-co-locations through the high layer signaling.
  • PDSCH RE mapping Physical Downlink Shared Channel Resource Element mapping
  • the physical downlink shared channel resource unit mapping and the pseudo-co-location indicator signaling (PDQ RE Mapping and Quasi-Co-Location Indicator, PQI) carried by the downlink control signaling are used to indicate four physical downlink shared channel resource unit mapping parameters.
  • the non-zero power channel state information reference signal (Non Zero Power Channel State Information Reference Signal, abbreviated as NZP CSI-RS) parameter set includes at least one CRS parameter set and one quasi-co-located position.
  • the terminal obtains the physical downlink shared channel resource unit mapping parameter configuration and the quasi-co-location parameter parameter configuration in the four physical downlink shared channel resource unit mapping parameter sets and the quasi-common position parameter set by receiving the high layer signaling. And receiving the downlink control signaling, and obtaining the physical downlink shared channel resource unit mapping parameter configuration and the quasi-co-location parameter configuration by using the PQI indication set carried in the downlink control signaling.
  • the NZP CSI-RS and CRS parameter information of the quasi-co-location of the DMRS associated with the PDSCH is obtained.
  • the serving base station assumes CRS ports 0 to 3, DMRS ports 7 to 14, and CRS-RS ports 15 to 30 are quasi-co-located.
  • the serving base station has two types of quasi-co-location types:
  • Type A The user assumes that antenna ports 0 to 3, 7-30 are quasi-co-located, and they have large-scale characteristics of approximately the same channel, such as delay spread, Doppler spread, Doppler shift, and average delay.
  • Type B The user assumes that the port 15-30 belonging to the CSI-RS resource configured by the upper layer parameter qcl-CSI-RS-ConfigNZPId-r11 and the DMRS port 7-14 associated with the PDSCH are quasi-co-located.
  • Class A The base station sends a CSI-RS, which is generally a non-precoded pilot.
  • the user equipment (UE) directly performs channel measurement and CSI quantization based on the CSI-RS pilot to obtain channel quality indication (CQI). ), a Precoding Matrix Indicator (PMI) and a Rank Indicator (abbreviated as RI). These are fed back on the periodic and aperiodic feedback modes.
  • CQI channel quality indication
  • PMI Precoding Matrix Indicator
  • RI Rank Indicator
  • Class B The CSI-RS transmitted by the base station is generally a pre-coded pilot.
  • the UE may need to select the pre-coded pilot, or the resource set of the pre-coded pilot, or the port group to select, and then Quantization feedback of channel information is performed based on the selected subset, including subset selection information, and RI/PMI/CQI information corresponding to the selected subset of CSI-RS measurement resources.
  • the standardization work was mainly formulated in the previous version of Release 13.
  • -RS either used to measure the channel, or used to measure interference, the pilot overhead is relatively large, and the user also needs to measure multiple K>1 sets of NZP CSI-RS in multiple feedbacks to complete the interference and channel.
  • the prior art cannot support Class B, and the K sets of NZP CSI-RSs of K>1 are from different transmission nodes.
  • the embodiment of the present invention provides a quasi-common position type. Processing method, device and computer storage medium.
  • a method for processing a quasi-co-location type including: acquiring a CSI-RS quasi-co-location type, wherein the CSI-RS quasi-co-location type is used to determine a CSI-RS port and The relationship between CRS ports.
  • the method further includes: acquiring a DMRS quasi-location type, wherein the DMRS quasi-co-location type is used to determine a relationship between the DMRS port and the CRS port.
  • the DMRS quasi-co-location type takes a value in the first type set
  • the CSI-RS quasi-co-location type takes a value in the second type set
  • the first type set includes values of N 1 first quasi-co-location types
  • the second type set includes values of N 2 second quasi-co-location types, where N 1 and N 2 respectively Is a positive integer.
  • the N2 2.
  • the first type set and the second type set include values of one or more of the following manners:
  • the first type set is ⁇ Type X 1 ⁇
  • the second type set is ⁇ Type Y 1 ⁇ ;
  • the first type set is ⁇ Type X 1 ⁇
  • the second type set is ⁇ Type Y 1 , Type Y 2 ⁇ ;
  • the first type set is ⁇ Type X 1 , Type X 2 ⁇ , and the second type set is ⁇ Type Y 1 ⁇ ;
  • the first type set is ⁇ Type X 1 , Type X 2 ⁇
  • the second type set is ⁇ Type Y 1 , Type Y 2 ⁇ ;
  • Type X 1 and Type X 2 are values of the first quasi-co-location type
  • Type Y 1 and Type Y 2 are values of the second quasi-common position type.
  • the value method satisfies at least one of the following:
  • the Type X 1 indicates that the DMRS ports port7 to port 14 and the CRS ports port0 to port3 are quasi-co-located, and the DMRS and the Class B, K>1 N sets of CSI-RS ports port 15 to port 30 are quasi-co-locations, where K is a positive integer greater than 1, and N is a positive integer less than K;
  • the Type X 2 indicates that the DMRS ports port7 to port 14 and the CRS ports port0 to port3 are quasi-co-located, and the DMRS and CSI-RS ports port 15 to port 30 are quasi-co-located.
  • the CSI-RS ports port 15 to port 30 are specified by high-level parameters;
  • the Type Y 2 indicates that the CSI-RS ports port 15 to port 30 and the CRS ports port 0 to port 3 are quasi-co-located, and the DMRS ports port 7 to port 14 are quasi-co-located.
  • the first quasi-co-location type indicates a quasi-co-location relationship between the DMRS port and the CRS port.
  • the first quasi-co-location type indicates the N sets of NZP CSI-RS resource quasi-co-locations in the Class B, K>1 indicated by the DMRS and the high layer signaling or the channel state information resource index indicated by the user.
  • N is a positive integer less than K and K is a positive integer greater than one.
  • the index of the N sets of NZP CSI-RS resources is determined by high layer signaling.
  • the second quasi-co-location type indicates a quasi-co-location relationship between the CSI-RS and the CRS.
  • the DMRS quasi-co-location type The CSI-RS quasi-co-location type.
  • the DMRS quasi-co-location type is obtained by using the first signaling qcl-Operation1; and the CSI-RS quasi-co-location type is obtained by using the second signaling qcl-Operation2.
  • the following at least one quasi-co-location type is obtained by joint signaling qcl-Operation: the DMRS quasi-co-location type; the CSI-RS quasi-co-location type.
  • the following at least one quasi-co-location type is obtained by using a transmission mode: the DMRS quasi-co-location type; and the CSI-RS quasi-co-location type.
  • the following at least one quasi-co-location type is obtained by using a channel state information feedback category: the DMRS quasi-co-location type; and the CSI-RS quasi-co-location type.
  • another method for processing a quasi-co-location type including: acquiring a CSI-RS quasi-co-location type; and transmitting the acquired CSI-RS quasi-co-location type, wherein the CSI
  • the -RS quasi-co-location type is used to determine the relationship between the CSI-RS port and the CRS port.
  • the foregoing solution further includes: acquiring a user-specific demodulation reference signal DMRS quasi-location type; and transmitting the acquired DMRS quasi-co-location type, wherein the DMRS quasi-co-location type is used to determine a relationship between the DMRS port and the CRS port.
  • the DMRS quasi-co-location type takes a value in the first type set
  • the CSI-RS quasi-co-location type takes a value in the second type set
  • the first type set includes values of N 1 first quasi-co-location types
  • the second type set includes values of N 2 second quasi-co-location types, where N 1 and N 2 respectively Is a positive integer.
  • the N2 2.
  • the first type set and the second type set include values of one or more of the following manners:
  • the first type set is ⁇ Type X 1 ⁇
  • the second type set is ⁇ Type Y 1 ⁇ ;
  • the first type set is ⁇ Type X 1 ⁇
  • the second type set is ⁇ Type Y 1 , Type Y 2 ⁇ ;
  • the first type set is ⁇ Type X 1 , Type X 2 ⁇ , and the second type set is ⁇ Type Y 1 ⁇ ;
  • the first type set is ⁇ Type X 1 , Type X 2 ⁇
  • the second type set is ⁇ Type Y 1 , Type Y 2 ⁇ ;
  • Type X 1 and Type X 2 are values of the first quasi-co-location type
  • Type Y 1 and Type Y 2 are values of the second quasi-common position type.
  • the value method satisfies at least one of the following:
  • the Type X 1 indicates that the DMRS ports port7 to port 14 and the CRS ports port0 to port3 are quasi-co-located, and the DMRS and the Class B, K>1 N sets of CSI-RS ports port 15 to port 30 are quasi-co-locations, where K is a positive integer greater than 1, and N is a positive integer less than K;
  • the Type X 2 indicates that the DMRS ports port7 to port 14 and the CRS ports port0 to port3 are quasi-co-located, and the DMRS and CSI-RS ports port 15 to port 30 are quasi-co-located.
  • the CSI-RS port port 15 to port 30 are specified by a high layer parameter;
  • the Type Y 2 indicates that the CSI-RS ports port 15 to port 30 and the CRS ports port 0 to port 3 are quasi-co-located, and the DMRS ports port 7 to port 14 are quasi-co-located.
  • the first quasi-co-location type indicates a quasi-co-location relationship between the DMRS port and the CRS port.
  • the first quasi-co-location type indicates Class B of the channel state information resource index indicated by the DMRS and the high layer signaling or the user feedback, and N sets of non-zero power channel state information reference signal resources in the K>1 NZP CSI-RS resource quasi-co-location, where N is a positive integer less than K and K is a positive integer greater than one.
  • the index indication of the N sets of NZP CSI-RS resources is transmitted through high layer signaling.
  • the second quasi-co-location type indicates a quasi-co-location relationship between the CSI-RS and the CRS.
  • the DMRS quasi-co-location type The CSI-RS quasi-co-location type.
  • the following at least one quasi-common position type is obtained through the channel state information feedback category:
  • the DMRS quasi-co-location type The CSI-RS quasi-co-location type.
  • At least one quasi-common position type is transmitted through high layer signaling:
  • the DMRS quasi-co-location type The CSI-RS quasi-co-location type.
  • the DMRS quasi-co-location type is transmitted by using the first signaling qcl-Operation1; and the CSI-RS quasi-co-location type is transmitted by the second signaling qcl-Operation2.
  • the following at least one quasi-co-location type is transmitted by the joint signaling qcl-Operation: the DMRS quasi-co-location type; the CSI-RS quasi-co-location type.
  • a quasi-common location type processing apparatus including: an obtaining module configured to acquire a CSI-RS quasi-co-location type; and a processing module configured to use the CSI-RS quasi-common
  • the location type determines the relationship between the CSI-RS port and the CRS port.
  • another quasi-common position type processing apparatus includes: acquiring a module, configured to acquire a CSI-RS quasi-co-location type; and a transmission module configured to transmit the CSI-RS quasi-co-location type, where the CSI-RS quasi-co-location type is used to determine a CSI-RS port Relationship with the CRS port.
  • a computer storage medium comprising a set of instructions that, when executed, cause a processing method of the quasi-common position type described above by at least one processor.
  • the CSI-RS quasi-co-location type is used to determine the relationship between the CSI-RS port and the CRS port, which can solve the problem that the related technologies cannot support the information well.
  • the problem that the K CSI-RSs of the status information feedback category B are from different transmission nodes achieves the effect of reducing the overhead of the CSI-RS pilots and reducing the implementation complexity of the user's measurement channel state information.
  • FIG. 1 is a block diagram showing the hardware structure of a mobile terminal of a quasi-common location type processing method according to an embodiment of the present invention
  • FIG. 2 is a flow chart of a method for processing a quasi-common position type according to an embodiment of the present invention
  • FIG. 3 is a flow chart of another method for processing a quasi-common position type according to an embodiment of the present invention.
  • FIG. 4 is a structural block diagram of a quasi-common position type processing apparatus according to an embodiment of the present invention.
  • FIG. 5 is a structural block diagram of another quasi-common position type processing apparatus according to an embodiment of the present invention.
  • FIG. 6 is a schematic diagram of a network architecture according to an embodiment of the present invention.
  • FIG. 1 is a hardware structural block diagram of a mobile terminal of a quasi-common location type processing method according to an embodiment of the present invention.
  • mobile terminal 10 may include one or more (only one shown) processor 102 (processor 102 may include, but is not limited to, a microprocessor (MCU) or a programmable logic device (FPGA), etc.
  • the processing device may include, but is not limited to, a microprocessor (MCU) or a programmable logic device (FPGA), etc.
  • the processing device the memory 104 configured to store data
  • the transmission device 106 configured as a communication function.
  • the structure shown in FIG. 1 is merely illustrative and does not limit the structure of the above electronic device.
  • the mobile terminal 10 may also include more or fewer components than those shown in FIG. 1, or have a different configuration than that shown in FIG.
  • the memory 104 can be configured as a software program and a module for storing application software, such as program instructions/modules corresponding to the processing method of the quasi-common location type in the embodiment of the present invention, and the processor 102 runs the software program and the module stored in the memory 104. In order to perform various functional applications and data processing, the above method is implemented.
  • Memory 104 may include high speed random access memory, and may also include non-volatile memory such as one or more magnetic storage devices, flash memory, or other non-volatile solid state memory.
  • memory 104 may further include memory remotely located relative to processor 102, which may be connected to mobile terminal 10 over a network. Examples of such networks include, but are not limited to, the Internet, intranets, local area networks, mobile communication networks, and combinations thereof.
  • Transmission device 106 is configured to receive or transmit data via a network.
  • the above-described network specific example may include a wireless network provided by a communication provider of the mobile terminal 10.
  • the transmission device 106 includes a Network Interface Controller (NIC) that can be connected to other network devices through a base station to communicate with the Internet.
  • the transmission device 106 can be a Radio Frequency (RF) module configured to communicate with the Internet wirelessly.
  • NIC Network Interface Controller
  • RF Radio Frequency
  • FIG. 2 is a flowchart of a quasi-common location type processing method according to an embodiment of the present invention, as shown in FIG. The process includes the following steps:
  • Step S202 Acquire a CSI-RS quasi-co-location type, where the CSI-RS quasi-co-location type is used to determine a relationship between a CSI-RS port and a cell-specific reference signal CRS port.
  • the embodiment may further include acquiring a DMRS quasi-location type, where the DMRS quasi-co-location type is used to determine a relationship between the DMRS port and the CRS port.
  • the CSI port of the CSI-RS port and the CRS port of the CSI-RS port are determined by the relationship between the CSI-RS port and the CRS port, and the CSI-RS port and the CRS port of the quasi-co-location have the same or similar delay spread, Doppler spread, Doppler shift, average gain, average delay.
  • Channel measurement is performed using a CSI-RS port or a CRS port.
  • the CRS port of the DMRS port and the CRS port of the DMRS port are determined by the relationship between the DMRS port and the CRS port, and the DMRS port and the CRS port of the quasi-co-location have the same or similar delay spread, Doppler spread, Doppler shift, average gain, and average delay.
  • Channel estimation or channel detection is performed using DMRS.
  • the CSI-RS quasi-co-location type is obtained, where the CSI-RS quasi-co-location type is used to determine the relationship between the CSI-RS port and the CRS port, which can solve the problem that the information state information feedback category cannot be well supported in the related art.
  • the problem that the K CSI-RSs of B are from different transmission nodes achieves the effect of reducing the overhead of CSI-RS pilots and reducing the implementation complexity of measuring channel state information by users.
  • the execution body of the above steps may be a terminal or the like, but is not limited thereto.
  • the DMRS quasi-co-location type takes a value in the first type set
  • the CSI-RS quasi-co-location type takes a value in the second type set
  • the first type set includes N 1 first quasi-co-location type values
  • the type set 1 (the first quasi-co-location type set) and the type set 2 (the second quasi-co-location type set) may be combined, as exemplified below:
  • Type set 1 is ⁇ Type X 1 ⁇
  • type set 2 is ⁇ Type Y 1 ⁇
  • Type set 1 is ⁇ Type X 1 ⁇
  • type set 2 is ⁇ Type Y 1 , Type Y 2 ⁇
  • Type set 1 is ⁇ Type X 1 , Type X 2 ⁇ , type set 2 is ⁇ Type Y 1 ⁇
  • Type set 1 is ⁇ Type X 1 , Type X 2 ⁇
  • type set 2 is ⁇ Type Y 1 , Type Y 2 ⁇
  • Type X 1 indicates that the DMRS ports port7 to port 14 and the CRS ports port0 to port3 are quasi-co-located.
  • Type X 2 indicates that the DMRS ports port7 to port 14 and the CRS ports port0 to port3 are quasi-co-located, and the DMRS and CSI-RS ports port 15 to port 30 are quasi-co-located.
  • the CSI-RS port port 15 to port 30 are specified by high-level parameters;
  • Type Y 2 indicates that the CSI-RS ports port 15 to port 30 and the CRS ports port 0 to port 3 are quasi-co-located, and the DMRS ports port 7 to port 14 are quasi-co-located.
  • the first quasi-common location type represents a quasi-co-location relationship of the DMRS port and the CRS port.
  • the first quasi-co-location type indicates the NZP CSI-RS resource quasi-co-location in the Class B, K>1 indicated by the DMRS and the high layer signaling or the CRS-RS resource index fed back by the user, where N For a positive integer less than K, K is a positive integer greater than one.
  • the N sets of NZP CSI-RS resources are N sets of NZP CSI-RS resources indicated by the CRS-RS resource index fed back by the terminal.
  • the second quasi-co-location type indicates a quasi-co-location relationship of the CSI-RS and the CRS.
  • a DMRS quasi-co-location type and a CSI-RS quasi-co-location type which may be, but is not limited to, the terminal obtains a DMRS quasi-co-location type and a CSI by using high layer signaling.
  • the high layer signaling includes at least one of a first signaling qcl-Operation1 and a second signaling qcl-Operation2; Specifically, the terminal acquires the DMRS quasi-co-location type by using the first signaling qcl-Operation1 and/or acquires the CSI-RS quasi-co-location type by using the second signaling qcl-Operation2.
  • the high-level signaling may be a joint qcl-Operation, which may be referred to as joint signaling qcl-Operation, and the terminal acquires at least one of a DMRS quasi-co-location type and a CSI-RS quasi-co-location type through high-level joint signaling qcl-Operation. .
  • FIG. 3 is a flowchart of another quasi-common location type processing method according to an embodiment of the present invention. As shown in FIG. 3, the process includes the following steps:
  • Step S302 acquiring a CSI-RS quasi-common position type
  • Step S304 Transmit the acquired CSI-RS quasi-co-location type, where the CSI-RS quasi-co-location type is used to determine the relationship between the CSI-RS port and the CRS port.
  • the embodiment may further include: acquiring a DMRS quasi-location type; and transmitting the acquired DMRS quasi-co-location type, wherein the DMRS quasi-co-location type is used to determine a relationship between the DMRS port and the CRS port.
  • the execution body of the foregoing step of FIG. 3 may be a base station, but is not limited thereto, and the receiving party of the transmission may be a terminal, and may of course be other network elements.
  • the DMRS quasi-co-location type takes a value from the first type set
  • the CSI-RS quasi-co-location type takes a value from the second type set.
  • the first type set includes values of N 1 first quasi-co-location types.
  • the type set 1 (the first quasi-co-location type set) and the type set 2 (the second quasi-co-location type set) may be combined, as exemplified below:
  • Type set 1 is ⁇ Type X 1 ⁇
  • type set 2 is ⁇ Type Y 1 ⁇
  • Type set 1 is ⁇ Type X 1 ⁇
  • type set 2 is ⁇ Type Y 1 , Type Y 2 ⁇
  • Type set 1 is ⁇ Type X 1 , Type X 2 ⁇ , type set 2 is ⁇ Type Y 1 ⁇
  • Type set 1 is ⁇ Type X 1 , Type X 2 ⁇
  • type set 2 is ⁇ Type Y 1 , Type Y 2 ⁇
  • Type X 1 indicates that the DMRS ports port7 to port 14 and the CRS ports port0 to port3 are quasi-co-located.
  • Type X 2 indicates that the DMRS ports port7 to port 14 and the CRS ports port0 to port3 are quasi-co-located, and the DMRS and CSI-RS ports port 15 to port 30 are quasi-co-located.
  • the CSI-RS port port 15 to port 30 are specified by high-level parameters;
  • Type Y 2 indicates that the CSI-RS ports port 15 to port 30 and the CRS ports port 0 to port 3 are quasi-co-located, and the DMRS ports port 7 to port 14 are quasi-co-located.
  • the first quasi-common location type represents a quasi-co-location relationship of the DMRS port and the cell-specific reference signal CRS port.
  • the first quasi-co-location type indicates the NZP CSI-RS resource quasi-co-location in the Class B, K>1 indicated by the DMRS and the high layer signaling or the CRS-RS resource index fed back by the user, where N For a positive integer less than K, K is a positive integer greater than one.
  • the base station transmits an index indication of N sets of NZP CSI-RS resources in Class B, K>1 through higher layer signaling.
  • the N sets of NZP CSI-RS resources are N sets of NZP CSI-RS resources indicated by the CRS-RS resource index fed back by the terminal.
  • the second quasi-co-location type indicates a quasi-co-location relationship of the CSI-RS and the CRS.
  • the base station acquires at least one of a DMRS quasi-co-location type and a CSI-RS quasi-co-location type by using a transmission mode, or the base station acquires a DMRS quasi-common location class by using a channel state information feedback category. At least one of a type and a CSI-RS quasi-co-location type, or the base station transmits at least one of a DMRS quasi-co-location type and a CSI-RS quasi-co-location type through higher layer signaling.
  • the high layer signaling includes at least one of the first signaling qcl-Operation1 and the second qcl-Operation2;
  • the base station transmits the DMRS quasi-co-location type through the first signaling qcl-Operation1 and/or acquires the CSI-RS quasi-co-location type through the second signaling qcl-Operation2.
  • the high layer signaling is a joint qcl-Operation, called joint signaling qcl-Operation, and the base station transmits at least one of a DMRS quasi-co-location type and a CSI-RS quasi-co-location type through high-level joint signaling qcl-Operation.
  • the method according to the above embodiment can be implemented by means of software plus a necessary general hardware platform, and of course, by hardware, but in many cases, the former is A better implementation.
  • the technical solution of the embodiments of the present invention may be embodied in the form of a software product in essence or in the form of a software product stored in a storage medium (such as ROM/RAM, magnetic).
  • the disc, the disc includes a number of instructions for causing a terminal device (which may be a cell phone, a computer, a server, or a network device, etc.) to perform the methods of various embodiments of the present invention.
  • a quasi-common position type processing device is also provided, which may be disposed in the terminal or disposed on the base station.
  • the device is configured to implement the foregoing embodiment, and details are not described herein.
  • the term "module” may implement a combination of software and/or hardware of a predetermined function.
  • the apparatus described in the following embodiments is preferably implemented in software, hardware, or a combination of software and hardware, is also possible and contemplated.
  • FIG. 4 is a structural block diagram of a quasi-common position type processing apparatus, as shown in FIG. 4, which can be applied to a terminal, and the apparatus includes:
  • the obtaining module 40 is configured to obtain a CSI-RS quasi-co-location type
  • the processing module 42 is configured to determine a relationship between the CSI-RS port and the CRS port by using a CSI-RS quasi-co-location type.
  • Another quasi-common location type processing device is also provided in this embodiment, which can be set on the base station.
  • FIG. 5 is a structural block diagram of another apparatus for processing a quasi-common location type, which can be applied to a base station, as shown in FIG. 5, and includes:
  • the obtaining module 50 is configured to obtain a CSI-RS quasi-co-location type
  • the transmission module 52 is configured to transmit a CSI-RS quasi-co-location type, where the CSI-RS quasi-co-location type is used to determine a relationship between the CSI-RS port and the CRS port.
  • each of the above modules may be implemented by software or hardware.
  • the foregoing may be implemented by, but not limited to, the foregoing modules are all located in the same processor; or, the above modules are in any combination.
  • the forms are located in different processors.
  • FIG. 6 is a schematic diagram of a network architecture according to an embodiment of the present invention.
  • the network architecture includes: a service node TP1, a collaboration node TP2, and a terminal UE0.
  • the terminal UE1, W 0 is a precoding matrix of UE0
  • W 1 is a precoding matrix of UE1.
  • the above architecture can be applied in the CS/CB environment.
  • the transmission node or the base station referred to in this embodiment includes but is not limited to: a base station, a macro base station, a micro base station, a home small base station, a wireless hotspot, a wireless remote, a relay, and the like.
  • Nt is a positive integer greater than or equal to 1.
  • the number of transmitting antennas of each communication node may be different, and N may be greater than 2.
  • TP1 transmits a PDSCH to UE1
  • TP2 transmits a PDSCH to UE2, which causes interference to UE1 that transmits PDSCH on the same time-frequency resource.
  • TP1 In order for UE1 to detect the received PDSCH, TP1 needs to transmit a DMRS having the same precoding as the PDSCH, and UE1 performs channel estimation using the DMRS, and detects the PDSCH by using the estimated channel. In order for UE1 to perform channel quality measurement, the transmission node TP1 needs to transmit CSI-RS pilot or CRS pilot, so that UE1 estimates channel state information (including PMI, RI, CQI) according to CSI-RS or CRS. In order to reduce the interference of UE1, the terminal needs to measure the channel of TP2 in order to feedback the precoding information that has the greatest interference to UE1.
  • the base station only needs to notify the terminal of the current data transmission and notification CSI-RS and/or CRS, and the terminal DMRS sends and notifies the CSI-RS and/or CRS to be quasi-co-located, wherein the quasi-location information is performed through a PQI.
  • the PQI is one parameter in the downlink control signaling format 2D in the physical layer signaling, including 2 bits. As shown in Table 1, Table 1 is a table of state meanings of the PQI notification signaling.
  • Each parameter set in the parameter set Parameter set 1 to Parameter set 4 includes a PDSCH RE mapping parameter set and/or a QCL parameter set, which is configured by higher layers signaling and configured by higher layer signaling. Notify the terminal.
  • quasi-common position types Due to the different quasi-common position types, it will affect the understanding of the terminal alignment common position type. Therefore, it is also necessary for the base station and the terminal to agree or standardize a content regarding the quasi-co-location type. Content about quasi-common location types, including but not limited to the following:
  • Type 1 includes values of N 1 quasi-co-location type 1
  • Type 2 contains the values of N 2 quasi-common position types 2 Wherein N 1 and N 2 are positive integers.
  • the quasi-common position type 1 indicates the quasi-co-location relationship between the DMRS and the CRS.
  • quasi-common position type 1 represents DMRS and Class B, N sets of NZP CSI-RS resource quasi-co-locations in K>1, where N is a positive integer less than K, and K is a positive integer greater than one.
  • the quasi-common position type 2 represents the quasi-co-location relationship of the CSI-RS and the CRS.
  • type set 1 and type set 2 are limited.
  • the type set 1 and the type set 2 include values of one or more of the following ways:
  • Type set 1 is ⁇ Type X 1 ⁇
  • type set 2 is ⁇ Type Y 1 ⁇
  • Type set 1 is ⁇ Type X 1 ⁇
  • type set 2 is ⁇ Type Y 1 , Type Y 2 ⁇
  • Type set 1 is ⁇ Type X 1 , Type X 2 ⁇ , type set 2 is ⁇ Type Y 1 ⁇
  • Type set 1 is ⁇ Type X 1 , Type X 2 ⁇
  • type set 2 is ⁇ Type Y 1 , Type Y 2 ⁇
  • Type X 1 indicates that the DMRS ports port7 to port 14 and the CRS ports port0 to port3 are quasi-co-located, and the DMRS and Class B, K>1 N sets of CSI-RS ports port 15 to port 30 are quasi-co-located.
  • Type X 2 indicates that the DMRS ports port7 to port 14 and the CRS ports port0 to port3 are quasi-co-located, and the DMRS and CSI-RS ports port 15 to port 30 are quasi-co-located.
  • Type X 3 indicates that the DMRS ports port7 to port 14 and the CRS ports port0 to port3 are quasi-co-located.
  • Type Y 1 means Class B, K>1, the first set of CSI-RS ports port15 ⁇ port30 and CRS 1 port port0 ⁇ port3 are quasi-co-located, ..., Kth set of CSI-RS ports port15 ⁇ port30 and CRS K Ports port0 to port3 are quasi-common locations, where CRS 1 , . . . , CRS K may be different port numbers or different frequency domain shifts, different sequences of CRS port groups.
  • Type Y 2 indicates that the CSI-RS ports port 15 to port 30 and the CRS ports port 0 to port 3 are quasi-co-located, and the DMRS ports port 7 to port 14 are quasi-co-located.
  • Type Y 3 indicates that the CSI-RS ports port7 to port 14 and the CRS ports port0 to port3 are quasi-co-located.
  • the base station transmits the quasi-common position type determined by the base station in a manner agreed by the terminal or a high-level signaling transmission.
  • the terminal determines, by receiving the high layer signaling, that each parameter set in the Parameter set 1 to the Parameter set 4 includes the PDSCH RE mapping parameter set and/or the QCL parameter set, and receives the downlink physical layer signaling, and obtains the value of the PQI, from the PQI.
  • the set of parameters (one of Parameter set 1 to Parameter set 4) is obtained to obtain a PDSCH RE mapping parameter set and/or a QCL parameter set.
  • the type of the quasi-co-location is known.
  • the value of the PQI is combined, so as to obtain which CSI-RS/CRS the DMRS corresponding to the received PDSCH corresponds to.
  • the terminal performs channel estimation and data detection by using the DMRS port determined by the DMRS quasi-co-location type; and/or the terminal performs channel measurement by using the CSI-RS determined by the DMRS quasi-co-location type.
  • the user transmits the PDSCH/CSI-RS/DMRS/CRS, the PQI, and the like according to the existing technologies.
  • the following describes the base station and the terminal to obtain or determine the quasi-co-location type through different specific embodiments. the process of.
  • the base station does not determine the quasi-co-location class according to the transmission mode or the channel state information feedback category, determines the feedback category by itself, and determines the signaling of the transmission quasi-co-location class according to the type set 1 and the type set 2,
  • the co-location signaling class transmits the class of quasi-co-locations.
  • the terminal receives the quasi-common location signaling sent by the base station to obtain a quasi-common location class.
  • the base station acquires a DMRS quasi-co-location type and/or a CSI-RS quasi-co-location type.
  • the base station determines a value for the DMRS quasi-co-location type from type set 1 and a value for the CSI-RS quasi-co-location type from type set 2.
  • the base station may only determine the value of the DMRS quasi-co-location type, or only determine the value of the CSI-RS quasi-co-location type. It is also possible to simultaneously determine the value of the DMRS quasi-co-location type and the value of the CSI-RS quasi-co-location type.
  • the load of the base station can be determined according to the size of the transmission signaling overhead. And determining the value of the DMRS quasi-co-location type according to the size of the type set 1, and determining the CSI-RS quasi-co-location type value according to the size of the type set 2.
  • the methods include:
  • the type set 1 is ⁇ Type X 1 ⁇ and the type set 2 is ⁇ Type Y 1 ⁇ , it is determined that the DMRS quasi-co-location type is Type X 1 and the CSI-RS quasi-common position type is Type Y 1 ;
  • the type set 1 is ⁇ Type X 1 ⁇ and the type set 2 is ⁇ Type Y 1 , Type Y 2 ⁇
  • the DMRS quasi-co-location type is Type X 1
  • the CSI-RS quasi-common position type is Type Y 1 or Type.
  • Y 2 ;
  • the type set 1 is ⁇ Type X 1 , Type X 2 ⁇ , and the type set 2 is ⁇ Type Y 1 ⁇ , it is determined that the DMRS quasi-co-location type is Type X 1 or Type X 2 , and the CSI-RS quasi-co-location type is Type Y 1 ;
  • the type set 1 is ⁇ Type X 1 , Type X 2 ⁇
  • the type set 2 is ⁇ Type Y 1 , Type Y 2 ⁇
  • the DMRS quasi-common position type is Type X 1 or Type X 2
  • the CSI-RS quasi-common The location type is Type Y 1 or Type Y 2 ;
  • the base station transmits a DMRS quasi-co-location type and/or a CSI-RS quasi-co-location type.
  • the base station determines the signaling of the high layer transmission according to the size of the type set 1 and the size of the set type 2, and whether the current subframe needs to transmit the DMRS quasi-co-location type or the CSI-RS quasi-co-location type.
  • the scenarios include:
  • DMRS quasi-co-location type or CSI-RS quasi-common location type it is transmitted through two high-level signaling qcl-Operation1 and qcl-Operation2 respectively.
  • A1 When type set 1 is ⁇ Type X 1 ⁇ and type set 2 is ⁇ Type Y 1 ⁇ , qcl-Operation1 and qcl-Operation2 need not be transmitted.
  • A2 When the type set 1 is ⁇ Type X 1 ⁇ and the type set 2 is ⁇ Type Y 1 , Type Y 2 ⁇ , the base station needs to transmit the CSI-RS quasi-co-location type in the current subframe, and then passes the high layer signaling qcl- Operation2 transmits the type of CSI-RS quasi-co-location; otherwise, the current sub-frame does not need to transmit qcl-Operation1 and qcl-Operation2.
  • A3 When the type set 1 is ⁇ Type X 1 , Type X 2 ⁇ , and the type set 2 is ⁇ Type Y 1 ⁇ , the base station needs to transmit the DMRS quasi-co-location type in the current subframe, and then transmits it through the high layer signaling qcl-Operation1. The type of the DMRS quasi-co-location; otherwise the current sub-frame does not need to transmit qcl-Operation1 and qcl-Operation2.
  • A4 When the type set 1 is ⁇ Type X 1 , Type X 2 ⁇ , and the type set 2 is ⁇ Type Y 1 , Type Y 2 ⁇ , the base station needs to transmit the DMRS quasi-co-location type in the current subframe, and then passes the high layer signaling.
  • qcl-Operation1 transmits the type of DMRS quasi-co-location; otherwise, the current subframe does not need to transmit qcl-Operation1; if the base station needs to transmit the CSI-RS quasi-co-location type in the current subframe, then the CSI-RS is transmitted through the high-level signaling qcl-Operation2.
  • the joint qcl-Operation can be designed to include 2 bits, where:
  • the CSI-RS quasi-common location type is Type Y 1
  • CSI- The RS quasi-common position type is Type Y 2 ;
  • the base station determines the value of the qcl-Operation according to the determined DMRS quasi-co-location type and the CSI-RS quasi-co-location type, and transmits the value to the terminal.
  • the base station needs to transmit an index of N sets of CSI-RS resources that are co-located with the DMRS through an additional downlink signaling.
  • the terminal acquires the DMRS quasi-common location type and/or the CSI-RS quasi-co-location type.
  • the terminal obtains the DMRS quasi-co-location type and/or the CSI-RS quasi-co-location type by means of a manner agreed with the base station or receiving high-level user signaling.
  • the manner of obtaining the DMRS quasi-co-location type and the track CSI-RS quasi-co-location type and the size of the type set 1 and the type set 2, and High-level signaling transmission instructions are related.
  • the base station transmits the DMRS quasi-co-location type or the CSI-RS quasi-co-location type through the high-level signaling qcl-Operation1 and/or qcl-Operation2 respectively.
  • A1 When the type set 1 is ⁇ Type X 1 ⁇ and the type set 2 is ⁇ Type Y 1 ⁇ , the terminal determines that the DMRS quasi-co-location type is Type X 1 by an agreed manner, and determines the CSI-RS quasi-common through the agreed manner.
  • the location type is Type Y 1 .
  • A2 When the type set 1 is ⁇ Type X 1 ⁇ and the type set 2 is ⁇ Type Y 1 , Type Y 2 ⁇ , the terminal determines the DMRS quasi-common position type as Type X 1 by means of a contract, and receives the high layer signaling qcl. The method of -Operation2 determines whether the CSI-RS quasi-co-location type is Type Y 1 or Type Y 2 .
  • the terminal determines that the CSI-RS quasi-co-location type is Type X by receiving the high-level signaling qcl-Operation1. 1 is still Type X 2 , and the CSI-RS quasi-co-location type is determined to be Type Y 1 by a predetermined method.
  • the terminal determines the CSI-RS quasi-co-location by receiving the high-level signaling qcl-Operation1.
  • the type is Type X 1 or Type X 2
  • the CSI-RS quasi-co-location type is determined to be Type Y 1 or Type Y 2 by receiving the high-level signaling qcl-Operation 2 .
  • the CSI-RS quasi-common location type is Type Y 1
  • CSI- The RS quasi-common position type is Type Y 2 ;
  • the terminal in order to determine the type of DMRS quasi-co-location, for Class B, K>1, the terminal still needs An index of N sets of CSI-RS resources that are co-located with the DMRS is determined by an additional downlink signaling.
  • This embodiment determines the quasi-position type by the transmission mode and/or the CSI feedback category.
  • the base station determines the quasi-co-location class according to the transmission mode and/or the CSI feedback category, and determines the signaling of the transmission quasi-co-location class according to the type set 1 and the type set 2, and uses the quasi-common location signaling transmission.
  • the category of the quasi-common position The terminal receives the quasi-common location signaling sent by the base station to obtain a quasi-common location class.
  • the transmission mode is a transmission method established in the LTE/LTE-A system to better perform multi-antenna transmission.
  • the transmission mode 1 is a single-antenna transmission mode
  • the transmission mode 2 is a space-frequency diversity
  • the transmission mode 3 is an open-loop space complex.
  • transmission mode 4 is closed-loop spatial multiplexing
  • transmission mode 5 is multi-user MIMO
  • transmission mode 6 is closed-loop spatial multiplexing of single data streams
  • transmission modes 7 and 8 The single-stream and dual-stream beams are respectively shaped, while the transmission mode 9 supports spatial multiplexing of up to 8 layers, and the transmission mode 10 mainly supports multi-point cooperation technology.
  • the base station acquires a DMRS quasi-co-location type and/or a CSI-RS quasi-co-location type.
  • the base station determines a value for the DMRS quasi-co-location type from type set 1 and a value for the CSI-RS quasi-co-location type from type set 2.
  • the base station may only determine the value of the DMRS quasi-co-location type, or only determine the value of the CSI-RS quasi-co-location type, or simultaneously determine the value of the DMRS quasi-co-location type and the CSI-RS quasi-co- The value of the location type.
  • the load of the base station can be determined according to the size of the transmission signaling overhead. And determining the value of the DMRS quasi-co-location type according to the size of the type set 1, and determining the CSI-RS quasi-co-location type value according to the size of the type set 2.
  • the methods include:
  • the transmission mode is the transmission mode 1 to the transmission mode 8
  • the value of the DMRS quasi-co-location type is Type X 2
  • the quasi-common location type of the CSI-RS is Type Y 2 .
  • the feedback category is Class A or Class B.
  • the quasi-common position type of CSI-RS is Type Y 2 .
  • the type is Class B.
  • K>1 the value of the DMRS quasi-co-location type is Type X 1
  • the quasi-common location type of CSI-RS is Type Y 1 .
  • the feedback class is Class A or Class B.
  • the quasi-common location type of CSI-RS is Type Y 2 .
  • the quasi-common position type is determined as follows:
  • the type set 1 is ⁇ Type X 1 ⁇ and the type set 2 is ⁇ Type Y 1 ⁇ , it is determined that the DMRS quasi-co-location type is Type X 1 and the CSI-RS quasi-common position type is Type Y 1 ;
  • the type set 1 is ⁇ Type X 1 ⁇ and the type set 2 is ⁇ Type Y 1 , Type Y 2 ⁇
  • the DMRS quasi-co-location type is Type X 1
  • the CSI-RS quasi-common position type is Type Y 1 or Type.
  • Y 2 ;
  • the type set 1 is ⁇ Type X 1 , Type X 2 ⁇ , and the type set 2 is ⁇ Type Y 1 ⁇ , it is determined that the DMRS quasi-co-location type is Type X 1 or Type X 2 , and the CSI-RS quasi-co-location type is Type Y 1 ;
  • the type set 1 is ⁇ Type X 1 , Type X 2 ⁇
  • the type set 2 is ⁇ Type Y 1 , Type Y 2 ⁇
  • the DMRS quasi-common position type is Type X 1 or Type X 2
  • the CSI-RS quasi-common The location type is Type Y 1 or Type Y 2 ;
  • the base station transmits a DMRS quasi-co-location type and/or a CSI-RS quasi-co-location type.
  • the base station determines the signaling of the high layer transmission according to the size of the type set 1 and the size of the set type 2, and whether the current subframe needs to transmit the DMRS quasi-co-location type or the CSI-RS quasi-co-location type.
  • the scenarios include:
  • the base station does not need to transmit high-level signaling of the quasi-co-location type.
  • the base station does not need to transmit high-level signaling of the quasi-co-location type.
  • the base station sends the quasi-co-location type as follows. High-level signaling:
  • the two high-level signaling-qcl-Operation1 and qcl-Operation2 are respectively transmitted.
  • A1 When type set 1 is ⁇ Type X 1 ⁇ and type set 2 is ⁇ Type Y 1 ⁇ , qcl-Operation1 and qcl-Operation2 need not be transmitted.
  • A2 When the type set 1 is ⁇ Type X 1 ⁇ and the type set 2 is ⁇ Type Y 1 , Type Y 2 ⁇ , the base station needs to transmit the CSI-RS quasi-co-location type in the current subframe, and then passes the high layer signaling qcl- Operation2 transmits the type of CSI-RS quasi-co-location; otherwise, the current sub-frame does not need to transmit qcl-Operation1 and qcl-Operation2.
  • A3 When the type set 1 is ⁇ Type X 1 , Type X 2 ⁇ , and the type set 2 is ⁇ Type Y 1 ⁇ , the base station needs to transmit the DMRS quasi-co-location type in the current subframe, and then transmits it through the high layer signaling qcl-Operation1. The type of the DMRS quasi-co-location; otherwise the current sub-frame does not need to transmit qcl-Operation1 and qcl-Operation2.
  • A4 When the type set 1 is ⁇ Type X 1 , Type X 2 ⁇ , and the type set 2 is ⁇ Type Y 1 , Type Y 2 ⁇ , the base station needs to transmit the DMRS quasi-co-location type in the current subframe, and then passes the high layer signaling.
  • qcl-Operation1 transmits the type of DMRS quasi-co-location; otherwise, the current subframe does not need to transmit qcl-Operation1; if the base station needs to transmit the CSI-RS quasi-co-location type in the current subframe, then the CSI-RS is transmitted through the high-level signaling qcl-Operation2.
  • the joint qcl-Operation can be designed to include 2 bits, where:
  • the CSI-RS quasi-common location type is Type Y 1
  • CSI- The RS quasi-common position type is Type Y 2 ;
  • the base station determines the value of the qcl-Operation according to the determined DMRS quasi-co-location type and the CSI-RS quasi-co-location type, and transmits the value to the terminal.
  • the base station also needs to transmit an index of N sets of CSI-RS resources that are co-located with the DMRS through an additional downlink signaling.
  • the terminal acquires the DMRS quasi-common location type and/or the CSI-RS quasi-common location type.
  • the terminal obtains the DMRS quasi-co-location type and/or the CSI-RS quasi-co-location type by means of a manner agreed with the base station or receiving high-level user signaling.
  • the manner in which the DMRS quasi-co-location type and the track CSI-RS quasi-co-location type are obtained is related to the size of the type set 1 and the type set 2, and the transmission instruction of the high layer signaling, and is related to the transmission mode and/or the CSI feedback category. The way is as follows:
  • the terminal determines that the value of the DMRS quasi-co-location type is Type X 2 , and the quasi-common location type of the CSI-RS is Type Y 2 .
  • the feedback class is Class A or Class B.
  • Class B K>1
  • the terminal determines that the value of the DMRS quasi-co-location type is Type X 1
  • the quasi-common location type of the CSI-RS is Type Y 1 .
  • the feedback class is Class A or Class B.
  • the quasi-common position type is determined as follows:
  • the base station transmits the DMRS quasi-co-location type or the CSI-RS quasi-co-location type through the high-level signaling qcl-Operation1 and qcl-Operation2 respectively.
  • A1 When the type set 1 is ⁇ Type X 1 ⁇ and the type set 2 is ⁇ Type Y 1 ⁇ , the terminal determines that the DMRS quasi-co-location type is Type X 1 by an agreed manner, and determines the CSI-RS quasi-common through the agreed manner.
  • the location type is Type Y 1 .
  • A2 When the type set 1 is ⁇ Type X 1 ⁇ and the type set 2 is ⁇ Type Y 1 , Type Y 2 ⁇ , the terminal determines the DMRS quasi-common position type as Type X 1 by means of a contract, and receives the high layer signaling qcl. The method of -Operation2 determines whether the CSI-RS quasi-co-location type is Type Y 1 or Type Y 2 .
  • the terminal determines that the CSI-RS quasi-co-location type is Type X by receiving the high-level signaling qcl-Operation1. 1 is still Type X 2 , and the CSI-RS quasi-co-location type is determined to be Type Y 1 by a predetermined method.
  • the terminal determines the CSI-RS quasi-co-location by receiving the high-level signaling qcl-Operation1.
  • the type is Type X 1 or Type X 2
  • the CSI-RS quasi-co-location type is determined to be Type Y 1 or Type Y 2 by receiving the high-level signaling qcl-Operation 2 .
  • the CSI-RS quasi-common location type is Type Y 1
  • CSI- The RS quasi-common position type is Type Y 2 ;
  • the terminal in order to determine the type of the DMRS quasi-co-location, for Class B, K>1, the terminal also needs to determine the index of the N sets of CSI-RS resources that are co-located with the DMRS through an additional downlink signaling.
  • Embodiments of the present invention also provide a computer storage medium.
  • the above computer storage medium may be configured to store program code for performing the following steps:
  • an embodiment of the present invention provides a computer storage medium, the computer storage medium comprising a set of instructions that, when executed, cause at least one processor to perform the processing method of the quasi-common position type described above.
  • the computer storage medium may include, but is not limited to, a USB flash drive, a Read-Only Memory (ROM), and a random access memory (Random).
  • Access Memory is referred to as RAM, mobile hard disk, disk or optical disk, and other media that can store program code.
  • the processor performs the acquiring CSI-RS quasi-co-location type according to the stored program code in the storage medium, wherein the CSI-RS quasi-co-location type is used to determine the CSI-RS port and the cell-specific reference signal CRS port. Relationship.
  • modules or steps of the present invention described above can be implemented by a general-purpose computing device that can be centralized on a single computing device or distributed across a network of multiple computing devices. Alternatively, they may be implemented by program code executable by the computing device such that they may be stored in the storage device by the computing device and, in some cases, may be different from the order herein.
  • the steps shown or described are performed, or they are separately fabricated into individual integrated circuit modules, or a plurality of modules or steps thereof are fabricated as a single integrated circuit module.
  • the invention is not limited to any specific combination of hardware and software.
  • the CSI-RS quasi-co-location type is used to determine the relationship between the CSI-RS port and the CRS port, and the CSI-RS pilot is reduced.

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Abstract

La présente invention concerne un procédé et un dispositif de traitement de type de quasi-colocalisation, et un support de stockage informatique. Le procédé comporte l'étape consistant à: acquérir un type de quasi-colocalisation de signal de référence d'informations d'état de canal (CSI-RS), le type de quasi-colocalisation de CSI-RS étant utilisé pour déterminer une relation entre un port de CSI-RS et un port de signal de référence dédié à une cellule (CRS).
PCT/CN2017/080132 2016-04-29 2017-04-11 Procédé et dispositif de traitement de type de quasi-colocalisation, et support de stockage informatique WO2017185982A1 (fr)

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CN109842469B (zh) * 2017-11-24 2020-06-05 电信科学技术研究院 信息指示、确定方法及装置、计算机存储介质
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